後流の影響を受ける非定常平板境界層に関する研究 : 第3報,熱線流速計による非定常境界層計測

概要

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Detailed hot-wire probe measurements of unsteady boundary layer on a flat plate, which is affected by wakes generated from the rotating circular cylinders, are made. These measurements are organized in order, firstly, to investigate wake-boundary layer interaction behavior, considering the forced boundary layer transition model proposed in the previous paper, and secondly to determine the transition starting point and wake duration time by defining the threshold value for the wake-induced turbulent region in comparison with the data of time-averaged heat transfer distribution. It is consequently found that the forced transition tends to occur where Reynolds number based on the momentum thickness is around 160.
一般社団法人日本機械学会の論文
1993-02-25